The best app for helping you save money on flights is about to do the same thing for hotels

Hotel Zelos

For the past two years, Hopper has been working to perfect the art of predicting the best time to book a flight. 

I use Hopper frequently, and it's helped me decide when to book every flight I've taken over the past year. And since you can start tracking trips up to a year in advance, it's the perfect app for long-term planning.

Now, Hopper is bringing that prediction technology to another area of travel: hotels. 

Starting Wednesday, you'll now be able to book hotels through the app in the same way you book flights — you let Hopper know when and where you'd like to travel, and the app watches prices and advises the best time to book. Hopper says it can accurately predict the best time to book 95% of the time.

Here's how it works:

You'll be able to see all the available hotels, which are color-coded like Hopper's flight booking calendar: green for cheap, all the way up to red for very expensive.

Just like with Hopper's flight section, you can tap "Watch this trip" to get alerts about price fluctuations over time.

Hopper selects each hotel individually, then sends out a team of photographers to capture photos and videos of the hotel, the rooms, and the surrounding area.

Hopper says this helps give a better sense of how big the rooms actually are, what the amenities are like, and whether the hotel is well-kept.

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